I have just installed the latest modx revo an my server. I also turned on SEO friendly URL. My pages are now /page/subpage.html Wanted to turn off the .html suffix but all the time a change it (no matter what I enter .htm / or empty) it'll show up and after I reload the settings page it changes to .html again.
There is a little red triangle (like in excel) in the upper left corner after I change it. What does that mean?
Flushed the cache several times as well.